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The glyph textures can now be rectangular, I think.

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Rezmason
2021-12-06 22:44:18 -08:00
parent 577e94c7d1
commit 508c941fcd
4 changed files with 15 additions and 14 deletions
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8
shaders/wgsl/rainPass.wgsl
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@@ -5,7 +5,7 @@
// common properties used for compute and rendering
animationSpeed : f32;
glyphSequenceLength : i32;
glyphTextureColumns : i32;
glyphTextureGridSize : vec2<i32>;
glyphHeightToWidth : f32;
resurrectingCodeRatio : f32;
gridSize : vec2<f32>;
@@ -361,8 +361,8 @@ fn median3(i : vec3<f32>) -> f32 {
fn getSymbolUV(glyphCycle : f32) -> vec2<f32> {
var symbol = i32(f32(config.glyphSequenceLength) * glyphCycle);
var symbolX = symbol % config.glyphTextureColumns;
var symbolY = symbol / config.glyphTextureColumns;
var symbolX = symbol % config.glyphTextureGridSize.x;
var symbolY = symbol / config.glyphTextureGridSize.y;
return vec2<f32>(f32(symbolX), f32(symbolY));
}
@@ -420,7 +420,7 @@ fn getSymbolUV(glyphCycle : f32) -> vec2<f32> {
glyphUV = glyphUV - 0.5;
glyphUV = glyphUV * clamp(1.0 - config.glyphEdgeCrop, 0.0, 1.0);
glyphUV = glyphUV + 0.5;
var msdfUV = (glyphUV + symbolUV) / f32(config.glyphTextureColumns);
var msdfUV = (glyphUV + symbolUV) / vec2<f32>(config.glyphTextureGridSize);
// MSDF : calculate brightness of fragment based on distance to shape
var dist = textureSample(msdfTexture, linearSampler, msdfUV).rgb;